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Add shear transformation and transform object (issue #152).

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Add origin parameters to love.graphics.print.

New shear parameters kx,ky for:
- love.graphics.draw,
- love.graphics.drawq,
- love.graphics.print,
- SpriteBatch:add,
- SpriteBatch:addq.

Transform objects apply to:
- love.graphics.draw,
- love.graphics.drawq,
- love.graphics.print.
This commit is contained in:
vrld
2011-07-05 14:33:34 +02:00
parent ce5927379d
commit d420d68048
20 changed files with 214 additions and 55 deletions
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src/modules/graphics/opengl/Graphics.h
+6 -1
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@@ -397,8 +397,12 @@ namespace opengl
* @param angle The amount of rotation.
* @param sx The scale factor along the x-axis. (1 = normal).
* @param sy The scale factor along the y-axis. (1 = normal).
* @param ox The origin offset along the x-axis.
* @param oy The origin offset along the y-axis.
* @param kx Shear along the x-axis.
* @param ky Shear along the y-axis.
**/
void print(const char * str, float x, float y , float angle = 0.0f, float sx = 1.0f, float sy = 1.0f);
void print(const char * str, float x, float y , float angle, float sx, float sy, float ox, float oy, float kx, float ky);
/**
* Draw formatted text on screen at the specified coordinates.
@@ -502,6 +506,7 @@ namespace opengl
void rotate(float r);
void scale(float x, float y = 1.0f);
void translate(float x, float y);
void shear(float kx, float ky);
void drawTest(Image * image, float x, float y, float a, float sx, float sy, float ox, float oy);